JP5502496B2 - 固定上方軸受を有する航空機の緩衝支柱 - Google Patents
固定上方軸受を有する航空機の緩衝支柱 Download PDFInfo
- Publication number
- JP5502496B2 JP5502496B2 JP2010001293A JP2010001293A JP5502496B2 JP 5502496 B2 JP5502496 B2 JP 5502496B2 JP 2010001293 A JP2010001293 A JP 2010001293A JP 2010001293 A JP2010001293 A JP 2010001293A JP 5502496 B2 JP5502496 B2 JP 5502496B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- aircraft
- upper bearing
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000035939 shock Effects 0.000 title claims description 42
- 239000006096 absorbing agent Substances 0.000 title description 7
- 238000013016 damping Methods 0.000 claims description 28
- 239000010936 titanium Substances 0.000 claims description 20
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 17
- 229910052719 titanium Inorganic materials 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 210000001364 upper extremity Anatomy 0.000 claims description 2
- 229960001716 benzalkonium Drugs 0.000 claims 1
- CYDRXTMLKJDRQH-UHFFFAOYSA-N benzododecinium Chemical compound CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 CYDRXTMLKJDRQH-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000003562 lightweight material Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- -1 but not limited to Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- QDWJUBJKEHXSMT-UHFFFAOYSA-N boranylidynenickel Chemical compound [Ni]#B QDWJUBJKEHXSMT-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011156 metal matrix composite Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/60—Oleo legs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Superstructure Of Vehicle (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/358,007 US8087610B2 (en) | 2009-01-22 | 2009-01-22 | Aircraft shock strut having fixed upper bearing |
US12/358,007 | 2009-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010168037A JP2010168037A (ja) | 2010-08-05 |
JP5502496B2 true JP5502496B2 (ja) | 2014-05-28 |
Family
ID=41694626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010001293A Active JP5502496B2 (ja) | 2009-01-22 | 2010-01-06 | 固定上方軸受を有する航空機の緩衝支柱 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8087610B2 (fr) |
EP (1) | EP2210811B2 (fr) |
JP (1) | JP5502496B2 (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8087610B2 (en) * | 2009-01-22 | 2012-01-03 | Goodrich Corporation | Aircraft shock strut having fixed upper bearing |
FR2960214B1 (fr) * | 2010-05-19 | 2013-03-08 | Airbus Operations Sas | Train d'atterrissage monte sous une aile d'aeronef. |
US9481452B2 (en) | 2010-11-22 | 2016-11-01 | The Boeing Company | Hydraulic actuator for semi levered landing gear |
US8939400B2 (en) | 2011-02-21 | 2015-01-27 | The Boeing Company | Air-ground detection system for semi-levered landing gear |
US8998133B2 (en) * | 2011-04-01 | 2015-04-07 | The Boeing Company | Landing gear system |
US9303710B2 (en) * | 2013-08-09 | 2016-04-05 | Goodrich Corporation | Aircraft shock strut and rebound damping ring |
US9061759B2 (en) * | 2013-11-13 | 2015-06-23 | Goodrich Corporation | Cam-operated bi-directional shock absorber damper |
US9540099B2 (en) | 2014-08-15 | 2017-01-10 | Goodrich Corporation | Compliant lower bearing with tapered outer diameter |
CN105564640A (zh) * | 2014-10-11 | 2016-05-11 | 中国航空工业集团公司西安飞机设计研究所 | 一种降低前起落架航向振动的方法 |
DE102015102966A1 (de) * | 2015-03-02 | 2016-09-08 | Thyssenkrupp Ag | Verfahren zum Herstellen einer Lauffläche für eine Dichtung |
EP3279085A1 (fr) * | 2016-08-04 | 2018-02-07 | Safran Landing Systems UK Limited | Jambe d'amortisseur de chocs de train d'atterrissage d'avion |
EP3279086B1 (fr) * | 2016-08-04 | 2023-09-27 | Safran Landing Systems UK Ltd | Jambe d'amortisseur de chocs de train d'atterrissage d'avion |
US10384767B2 (en) * | 2017-01-25 | 2019-08-20 | The Boeing Company | Single axle, semi-levered landing gear with shortening mechanism |
US10625849B2 (en) * | 2017-04-11 | 2020-04-21 | The Boeing Company | Levered landing gear with inner shock strut |
US10800516B2 (en) | 2017-06-02 | 2020-10-13 | The Boeing Company | Semi-levered shrink landing gear |
US10591013B2 (en) * | 2017-06-14 | 2020-03-17 | Safran Landing Systems Canada Inc. | Lubrication mechanism design for aircraft landing gear bearings |
EP3450306B1 (fr) * | 2017-09-05 | 2019-10-30 | Safran Landing Systems UK Limited | Dispositif télescopique |
US11161599B2 (en) | 2018-01-26 | 2021-11-02 | The Boeing Company | Landing gear strut assembly and method therefor |
US10981646B2 (en) | 2018-07-30 | 2021-04-20 | The Boeing Company | Landing gear shrink link mechanism |
ES2910148T3 (es) * | 2018-12-18 | 2022-05-11 | Safran Landing Systems Uk Ltd | Conjunto amortiguador de tren de aterrizaje de avión |
US11105389B2 (en) | 2019-02-15 | 2021-08-31 | Goodrich Corporation | Composite shock strut cylinder with integral metallic lower bearing carrier and sleeve |
US10711861B1 (en) * | 2019-03-19 | 2020-07-14 | The United States Of America As Represented By The Secretary Of The Navy | Controllable oleo-pneumatic damper using magnetorheological fluid |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2378712A (en) * | 1938-03-18 | 1945-06-19 | Laraque Roland | Shock absorbing means for aircraft landing gear |
US2396318A (en) * | 1942-11-18 | 1946-03-12 | Reconstruction Finance Corp | Shock absorbing strut for aircraft |
US2443587A (en) * | 1943-03-29 | 1948-06-15 | American Steel Foundries | Shock strut |
GB604430A (en) † | 1944-10-11 | 1948-07-05 | Ralph Leslie Skinner | Improvements in packing for stuffing boxes and the like |
GB585261A (en) * | 1945-02-05 | 1947-02-03 | Automotive Prod Co Ltd | Improvements in or relating to telescopic shock absorbers |
GB1173051A (en) * | 1967-03-30 | 1969-12-03 | Electro Hydraulics Ltd | Aircraft Undercarriages |
US3533613A (en) * | 1967-11-02 | 1970-10-13 | Lockheed Aircraft Corp | Axially retractable landing gear |
US3652040A (en) * | 1970-06-10 | 1972-03-28 | Cleveland Pneumatic Tool Co | Landing gear shock strut |
US3997133A (en) * | 1975-07-30 | 1976-12-14 | Textron, Inc. | Crash attenuation landing gear |
US4007894A (en) * | 1975-12-04 | 1977-02-15 | The Boeing Company | Method and apparatus for minimizing axial friction forces in a cylinder-piston shock absorber |
JPS5751588Y2 (fr) * | 1977-07-13 | 1982-11-10 | ||
FR2411341A1 (fr) * | 1977-12-12 | 1979-07-06 | Messier Hispano Sa | Suspension oleopneumatique a orifices de laminage variables, notamment pour trains d'atterrissage d'aerodynes |
US4787486A (en) * | 1986-06-19 | 1988-11-29 | Pneumo Abex Corporation | Landing gear mechanism including controlled instroke and rebound damping and stroke overload protection |
FR2608242B1 (fr) * | 1986-12-12 | 1989-03-31 | Aerospatiale | Amortisseur-verin, contre-fiche le comportant, et train d'atterrissage equipe d'une telle contre-fiche |
US5209431A (en) * | 1988-01-15 | 1993-05-11 | Aerospatiale Societe Nationale Industrielle | Device for increasing the stability of helicopters placed on board and set down, having a tricycle landing gear, and helicopter equipped with such a device |
US4907760A (en) * | 1988-05-18 | 1990-03-13 | The Boeing Company | Contracting landing gear shock strut |
FR2647170B1 (fr) * | 1989-05-18 | 1991-08-30 | Aerospatiale | Dispositif de reduction de la souplesse d'un amortisseur oleo-pneumatique d'atterrisseur, et amortisseur et atterrisseur le comportant |
US5148896A (en) * | 1991-07-01 | 1992-09-22 | The Boeing Company | High pressure hydropneumatic shock absorber |
FR2685902B1 (fr) * | 1992-01-07 | 1994-03-04 | Messier Bugatti | Amortisseur de train d'atterrissage d'aeronef. |
FR2688467B1 (fr) * | 1992-03-11 | 1994-05-13 | Messier Bugatti | Atterrisseur relevable a raccourcissement de jambe. |
US5908174A (en) * | 1996-10-31 | 1999-06-01 | Coltec Industries Inc. | Automatic shrink shock strut for an aircraft landing gear |
FR2848623B1 (fr) * | 2002-12-11 | 2005-10-21 | Messier Dowty Sa | Procede de mise en forme d'une paroi interne d'un palier de support d'un element cylindrique |
JP4809902B2 (ja) * | 2006-01-13 | 2011-11-09 | グッドリッチ コーポレイション | 改良型のシリンダおよびベアリングを有する航空機用緩衝支柱 |
US20070164151A1 (en) * | 2006-01-13 | 2007-07-19 | Luce William E | Aircraft shock strut and improved bearings therefor |
JP2008297567A (ja) * | 2007-05-29 | 2008-12-11 | Sumitomo Precision Prod Co Ltd | 長繊維金属基複合材料およびこれを含む複合断面部材の製造方法 |
US8087610B2 (en) * | 2009-01-22 | 2012-01-03 | Goodrich Corporation | Aircraft shock strut having fixed upper bearing |
-
2009
- 2009-01-22 US US12/358,007 patent/US8087610B2/en active Active
-
2010
- 2010-01-06 JP JP2010001293A patent/JP5502496B2/ja active Active
- 2010-01-08 EP EP10150339.9A patent/EP2210811B2/fr active Active
Also Published As
Publication number | Publication date |
---|---|
US8087610B2 (en) | 2012-01-03 |
EP2210811A3 (fr) | 2013-03-13 |
EP2210811B1 (fr) | 2014-07-02 |
US20100181423A1 (en) | 2010-07-22 |
EP2210811A2 (fr) | 2010-07-28 |
EP2210811B2 (fr) | 2018-01-17 |
JP2010168037A (ja) | 2010-08-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5502496B2 (ja) | 固定上方軸受を有する航空機の緩衝支柱 | |
JP4809902B2 (ja) | 改良型のシリンダおよびベアリングを有する航空機用緩衝支柱 | |
US8894152B2 (en) | Vehicle seat with fluid spring | |
KR20140030194A (ko) | 감쇄기 튜브 강화 슬리브 | |
US4828237A (en) | Reduced length MacPherson strut | |
US20120181766A1 (en) | Damper tube reinforcement sleeve | |
JP2009523641A (ja) | 航空機用緩衝支柱および緩衝支柱のための改良型ベアリング | |
US8181978B2 (en) | Bicycle suspension system | |
EP0129363B1 (fr) | Ressort | |
US8820494B2 (en) | Hydraulic shock absorbing apparatus of vehicle | |
US20220088983A1 (en) | Cylinder device | |
US11498665B2 (en) | Aircraft landing gear shock absorber assembly | |
US5186439A (en) | Friction compensating automotive suspension strut | |
US6168142B1 (en) | Hydraulic damper with elastomeric spring assembly | |
JP6994434B2 (ja) | ショックアブゾーバ | |
US20050127587A1 (en) | Hydraulic shock absorbing apparatus of vehicle | |
JPH0791479A (ja) | 緩衝器 | |
US4807522A (en) | Piston and attaching apparatus for piston-and-cylinder arrangements | |
CN213981784U (zh) | 一种带支撑功能的液压减振器 | |
KR102309703B1 (ko) | 차량용 쇽업소버 | |
CN112460182A (zh) | 一种带支撑功能的液压减振器 | |
RU59483U1 (ru) | Передняя подвеска автомобиля (варианты) | |
WO2024086930A1 (fr) | Raccord principal de train d'atterrissage avec amortisseur intégré | |
JPH0676736U (ja) | 流体圧式緩衝装置 | |
Kannan et al. | INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20110202 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20110202 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120308 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130628 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130716 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20131016 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20131016 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20131016 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20131018 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20131016 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140218 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140313 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5502496 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |